Resonator coil



FIG. 1 is a perspective view of a resonator coil.

FIG. 2 and FIG. 3 are, respectively, a top view and a bottom view of the resonator coil.

FIG. 4 and FIG. 5 are, respectively, a front view and a back view of the resonator coil; and,

FIG. 6 and FIG. 7 are, respectively, a right view and a left view of the resonator coil.

The broken lines shown in the drawings represent unclaimed portions of the resonator coil and form no part of the claimed design. 

CLAIM The ornamental design for a resonator coil, substantially as shown and described. 